1NKN Contractile Protein date Jan 03, 2003
title Visualizing An Unstable Coiled Coil: The Crystal Structure Of An N-Terminal Segment Of The Scallop Myosin Rod
authors Y.Li, J.H.Brown, L.Reshetnikova, A.Blazsek, L.Farkas, L.Nyitray, C.Cohen
compound source
Molecule: S2n51-Gcn4
Chain: A, B, C, D
Engineered: Yes
Organism_scientific: Argopecten Irradians, Saccharomyces Cerevisiae;
Organism_common: , Baker'S Yeast
Organism_taxid: 31199,4932
Strain: ,
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21(De3)Plyss
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet15b
symmetry Space Group: P 21 21 21
R_factor 0.243 R_Free 0.289
length a length b length c angle alpha angle beta angle gamma
54.034 73.303 102.975 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.50 Å
related structures by homologous chain: 1UO1, 1W5H
Primary referenceVisualization of an unstable coiled coil from the scallop myosin rod., Li Y, Brown JH, Reshetnikova L, Blazsek A, Farkas L, Nyitray L, Cohen C, Nature 2003 Jul 17;424(6946):341-5. PMID:12867988
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (56 Kb) [Save to disk]
  • Biological Unit Coordinates (1nkn.pdb1.gz) 27 Kb
  • Biological Unit Coordinates (1nkn.pdb2.gz) 27 Kb
  • CSU: Contacts of Structural Units for 1NKN
  • Likely Quarternary Molecular Structure file(s) for 1NKN
  • Structure Factors (150 Kb)
  • Retrieve 1NKN in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1NKN from S2C, [Save to disk]
  • Re-refined 1nkn structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1NKN in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 1NKN
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1NKN, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1nkna_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1nknb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1nknc_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1nknd_, region D [Jmol] [rasmolscript] [script source]
  • Fold representative 1nkn from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1nkn_B] [1nkn_D] [1nkn_A] [1nkn_C] [1nkn]
  • SWISS-PROT database: [P03069] [Q17042]
  • Domain organization of [GCN4_YEAST] [Q17042_AEQIR] by SWISSPFAM
  • Other resources with information on 1NKN
  • Community annotation for 1NKN at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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